Author Topic: hp 8340a sweep generator attenuator issue  (Read 75 times)

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Offline lkc21851

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  • Country: us
hp 8340a sweep generator attenuator issue
« on: September 25, 2019, 08:00:15 pm »
i have an hp 8340a sweep gen and we had an issue with frequency over 18GHz being accurate. We swapped out A61 memory board and it fixed the frequency problem, but now out ulse mod and -90dBm attenuator option isnt working. i know it is something on the memory board but there arent any service documents that i can find that go through this board. looking to get lucky from someone with more experience repairing these units.

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